Search group titles and descriptions in fulltext. (Use +/- for boolean mode)

The language code of the group title and description to fetch. If not specified, the calling user language or the browser language will be used by default.

The order in which to sort returned groups:

• relevance: sort by fulltext relevance. (This is the default).
• created-desc: sort by creation date newest first.
• created-asc: sort by creation date oldest first.

The number of docs to return on each page. (Default is 20, maximum is 100)

The page of results to return.